Appa, Steadfast Guardian + Restoration Angel + Cloud Key + The Wind Crystal

Prerequisites

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Steps

1. 1Cast Appa either from your hand or from the command zone by paying plus commander tax, if applicable.
2. 2When Appa enters, its first ability triggers, exiling Restoration Angel with the ability to cast it later from exile.
3. 3Cast Restoration Angel from exile by paying .
4. 4Appa's second ability triggers, creating a 1/1 Ally creature token
5. 5When Restoration Angel enters, it triggers, blinking Appa.
6. 6Repeat from step 2.

Effects

• Infinite creature tokens
• Infinite ETB
• Infinite LTB
• Infinite storm count